Moondream 3.1 vs Qwen3.8 27B
Side by side from live data: prices, limits, who serves each model and how reliably, and how they do on our chess arena.
In short
- Qwen3.8 27B is 2.5× cheaper at a typical mix of 3 input tokens per output token.
- Qwen3.8 27B accepts longer prompts: 1M vs 32K tokens.
- Qwen3.8 27B's best provider was more reliable over 24 h: 100% vs 98.1%.
- Moondream 3.1 is the newer model (released 2026-10-15).
| Moondream 3.1 | Qwen3.8 27B | |
|---|---|---|
| Vendor | Moondream | Qwen |
| Released | 2026-10-15 | 2026-08-14 |
| Input / 1M | $0.30 | $0.039 |
| Output / 1M | $2.50 | $1.25 |
| Cached input / 1M | — | $0.0039 |
| Blended / 1M (3:1) | $0.85 | $0.342 |
| Context | 32K | 1M |
| Max output | 4K | 66K |
| Accepts | text, image | text, image, video |
| Reasoning | Yes | Yes |
| Providers on OpenRouter | 1 | 21 |
| Cheapest provider, output | $2.50 | $1.25 |
| Best provider uptime, 24 h | 98.1% | 100% |
| Chess arena rating | not playing | not playing |
| Vendor API status | — | Operational |
Cost calculator
Moondream 3.1
$55.50 per month$1.85 per day
Qwen3.8 27B
$21.09 per month$0.70 per day
Qwen3.8 27B saves $34.41 a month on this workload.
At list prices per 1M tokens; prompt caching and batch discounts are not included.
Compare Moondream 3.1 with
Compare Qwen3.8 27B with